My OA was hard because I did not do any prep. This was the first interview I got.
I would recommend going through the basic data structures and doing your OA in Python or Java.
Don't remember the exact question.
The following metrics were computed from 4 interview experiences for the Two Sigma SWE Intern role in United States.
Two Sigma's interview process for their SWE Intern roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Two Sigma's SWE Intern interview process in United States.